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Cadillac CTS/CTS-V Owner Manual - 2011
Climate Controls 8-7
Maintenance
Passenger Compartment
Air Filter
The passenger compartment air
filter traps most of the dust and
pollen from the air entering the
vehicle. The filter will need to
be changed periodically. See
Maintenance Replacement Parts on
page 11‑9.
Using the climate control system
without the passenger air filter
installed could let water or other
debris enter the system. This could
cause a water leak or noises. Make
sure a new air filter is installed after
removing the old one.
The passenger compartment air
filter is located under the hood
below the windshield wiper arm
and the screen on the passenger
side of the vehicle. See Engine
Compartment Overview on
page 10‑6 for more information
on location.
To replace the passenger
compartment air filter:
1. Turn the ignition to ON/RUN with
the engine off.
2. Turn on the windshield wipers
and turn the ignition off again
when the wipers are straight up
on the windshield.
This allows access to the
leaf screen. The passenger
compartment air filter is located
under the screen.
3. Open the hood to access
the engine compartment. See
Hood on page 10‑5 for more
information.
4. Remove the three screws that
hold the screen in place and
lift off the screen by lifting and
sliding it toward the center of the
vehicle.